I am totally new to NiFi and also working with HL7. But my task is to analyze sample HL7 message using HDP. I have installed HDP 2.6.3 with VirtualBox in my windows 10 machine. Also installed NiFi in windows.Both are working fine. Now i want to parse some sample Hl7 messages and parse and analyze using my HDP. what process should i follow? I am novice here. Please suggest me or any article where i can find my step by step procedure to follow. Thanks in advance.